@article{DE_2002_38_7_a11,
     author = {I. V. Gaishun},
     title = {Periodicity of {Solutions} of {Two-Parameter} {Discrete} {Systems} over {Finite} {Fields}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {949--954},
     publisher = {mathdoc},
     volume = {38},
     number = {7},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_7_a11/}
}